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788eb90c4c
3897 zfs filesystem and snapshot limits Author: Jerry Jelinek <jerry.jelinek@joyent.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Approved by: Christopher Siden <christopher.siden@delphix.com> References: https://www.illumos.org/issues/3897 https://github.com/illumos/illumos-gate/commit/a2afb61 Porting Notes: dsl_dataset_snapshot_check(): reduce stack usage using kmem_alloc(). Ported-by: Chris Dunlop <chris@onthe.net.au> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2013 by Delphix. All rights reserved.
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* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
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* Copyright (c) 2013, Joyent, Inc. All rights reserved.
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*/
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#ifndef _DMU_SEND_H
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#define _DMU_SEND_H
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#include <sys/inttypes.h>
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#include <sys/spa.h>
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struct vnode;
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struct dsl_dataset;
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struct drr_begin;
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struct avl_tree;
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int dmu_send(const char *tosnap, const char *fromsnap, boolean_t embedok,
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int outfd, struct vnode *vp, offset_t *off);
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int dmu_send_estimate(struct dsl_dataset *ds, struct dsl_dataset *fromds,
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uint64_t *sizep);
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int dmu_send_obj(const char *pool, uint64_t tosnap, uint64_t fromsnap,
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boolean_t embedok, int outfd, vnode_t *vp, offset_t *off);
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typedef struct dmu_recv_cookie {
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struct dsl_dataset *drc_ds;
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struct drr_begin *drc_drrb;
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const char *drc_tofs;
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const char *drc_tosnap;
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boolean_t drc_newfs;
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boolean_t drc_byteswap;
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boolean_t drc_force;
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struct avl_tree *drc_guid_to_ds_map;
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zio_cksum_t drc_cksum;
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uint64_t drc_newsnapobj;
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void *drc_owner;
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cred_t *drc_cred;
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} dmu_recv_cookie_t;
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int dmu_recv_begin(char *tofs, char *tosnap, struct drr_begin *drrb,
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boolean_t force, char *origin, dmu_recv_cookie_t *drc);
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int dmu_recv_stream(dmu_recv_cookie_t *drc, struct vnode *vp, offset_t *voffp,
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int cleanup_fd, uint64_t *action_handlep);
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int dmu_recv_end(dmu_recv_cookie_t *drc, void *owner);
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boolean_t dmu_objset_is_receiving(objset_t *os);
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#endif /* _DMU_SEND_H */
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